Fix some array properties not being set to Arrays due to their initial value being "" instead of [].
Fix some array properties not being set to Arrays due to their initial value being "" instead of [].

mdittmer/foam,jacksonic/foam,foam-framework/foam,jlhughes/foam,osric-the-knight/foam,osric-the-knight/foam,jacksonic/foam,foam-framework/foam,foam-framework/foam,jacksonic/foam,mdittmer/foam,osric-the-knight/foam,foam-framework/foam,jacksonic/foam,mdittmer/foam,foam-framework/foam,mdittmer/foam,jlhughes/foam,jlhughes/foam,jlhughes/foam,osric-the-knight/foam